package com.atguigu.spring5.service;

import com.atguigu.spring5.dao.UserDao;

public class UserService {


    //创建UserDao类型属性，生成set方法
    private UserDao userDao;

    public void setUserDao(UserDao userDao) {
        this.userDao = userDao;
    }

    public void add() {

        System.out.println("service add.............");
        userDao.update();

        //原始方式: 创建userDao对象
        //UserDao userDao = new UserDaoImpl();
        //userDao.update();
    }


}
